uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

nixos/modules/services/misc/jellyfin.nix

@@ -0,0 +1,125 @@
+{ config, pkgs, lib, ... }:
+
+with lib;
+
+let
+  cfg = config.services.jellyfin;
+in
+{
+  options = {
+    services.jellyfin = {
+      enable = mkEnableOption "Jellyfin Media Server";
+
+      user = mkOption {
+        type = types.str;
+        default = "jellyfin";
+        description = "User account under which Jellyfin runs.";
+      };
+
+      package = mkOption {
+        type = types.package;
+        default = pkgs.jellyfin;
+        defaultText = literalExpression "pkgs.jellyfin";
+        description = ''
+          Jellyfin package to use.
+        '';
+      };
+
+      group = mkOption {
+        type = types.str;
+        default = "jellyfin";
+        description = "Group under which jellyfin runs.";
+      };
+
+      openFirewall = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          Open the default ports in the firewall for the media server. The
+          HTTP/HTTPS ports can be changed in the Web UI, so this option should
+          only be used if they are unchanged.
+        '';
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    systemd.services.jellyfin = {
+      description = "Jellyfin Media Server";
+      after = [ "network.target" ];
+      wantedBy = [ "multi-user.target" ];
+
+      serviceConfig = rec {
+        User = cfg.user;
+        Group = cfg.group;
+        StateDirectory = "jellyfin";
+        StateDirectoryMode = "0700";
+        CacheDirectory = "jellyfin";
+        CacheDirectoryMode = "0700";
+        UMask = "0077";
+        ExecStart = "${cfg.package}/bin/jellyfin --datadir '/var/lib/${StateDirectory}' --cachedir '/var/cache/${CacheDirectory}'";
+        Restart = "on-failure";
+
+        # Security options:
+
+        NoNewPrivileges = true;
+
+        AmbientCapabilities = "";
+        CapabilityBoundingSet = "";
+
+        # ProtectClock= adds DeviceAllow=char-rtc r
+        DeviceAllow = "";
+
+        LockPersonality = true;
+
+        PrivateTmp = true;
+        # Disabled to allow Jellyfin to access hw accel devices endpoints
+        # PrivateDevices = true;
+        PrivateUsers = true;
+
+        # Disabled as it does not allow Jellyfin to interface with CUDA devices
+        # ProtectClock = true;
+        ProtectControlGroups = true;
+        ProtectHostname = true;
+        ProtectKernelLogs = true;
+        ProtectKernelModules = true;
+        ProtectKernelTunables = true;
+
+        RemoveIPC = true;
+
+        RestrictNamespaces = true;
+        # AF_NETLINK needed because Jellyfin monitors the network connection
+        RestrictAddressFamilies = [ "AF_NETLINK" "AF_INET" "AF_INET6" "AF_UNIX" ];
+        RestrictRealtime = true;
+        RestrictSUIDSGID = true;
+
+        SystemCallArchitectures = "native";
+        SystemCallErrorNumber = "EPERM";
+        SystemCallFilter = [
+          "@system-service"
+          "~@cpu-emulation" "~@debug" "~@keyring" "~@memlock" "~@obsolete" "~@privileged" "~@setuid"
+        ];
+      };
+    };
+
+    users.users = mkIf (cfg.user == "jellyfin") {
+      jellyfin = {
+        group = cfg.group;
+        isSystemUser = true;
+      };
+    };
+
+    users.groups = mkIf (cfg.group == "jellyfin") {
+      jellyfin = {};
+    };
+
+    networking.firewall = mkIf cfg.openFirewall {
+      # from https://jellyfin.org/docs/general/networking/index.html
+      allowedTCPPorts = [ 8096 8920 ];
+      allowedUDPPorts = [ 1900 7359 ];
+    };
+
+  };
+
+  meta.maintainers = with lib.maintainers; [ minijackson ];
+}